# Correlational findings

## Study Bachman et al. (1978): study US 1966

Public
Public highschool boys followed 8 years from grade 10, USA, 1966-74
Sample
Respondents
N = 1628
Non Response
2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5
Assessment
Multiple assesment methods
Interviews, tests and questionnaires

## Correlate

Authors's Label
Interest in courses
Our Classification
Operationalization
Simple direct question at T1, T2 and T3: How interesting are most of your courses to you?
1 = very dull;
2 = slightly dull;
3 = fairly interesting;
4 = quite interesting;
5 = very exciting and stimulating

## Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HP-g-mq-v-5-a = + p < .001                     Interest in courses
Happiness           T1       T2       T3
T1           tau = +.33     +.23     +.19
T2           tau = +.25     +.32     +.26
T3           tau = +.23     +.26     +.28
T4           tau = +.21     +.19     +.22
All tau's significant (001)

T1:1966, T2:1968, T3:1969, T4:1970